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[Bobo The Monkey <99b8b443@xxxxxxxxx>]

Public bug reported:

When trying to join a domain using realmd, this is displayed:

sysoperator@mem4:~$ realm join --verbose test2dc.mdom.com
 * Resolving: _ldap._tcp.test2dc.mdom.com
 * Performing LDAP DSE lookup on: 192.168.15.23
 ! Received invalid or unsupported Netlogon data from server
realm: Cannot join this realm

This problem is well know and it has been fixed in Samba 4.1.7.
Unfortunately, the samba version provided by apt is 4.1.6

This problem also surface when using SSSD, here's an extract of SSSD log
file:

(Tue May 13 14:12:47 2014) [sssd[be[test2dc.mdom.com]]] [sdap_get_generic_ext_step] (0x0400): calling ldap_search_ext with [(&(DnsDomain=test2dc.mdom.com)(NtVer=\14\00\00\00))][].
(Tue May 13 14:12:47 2014) [sssd[be[test2dc.mdom.com]]] [sdap_get_generic_ext_step] (0x1000): Requesting attrs: [netlogon]
(Tue May 13 14:12:47 2014) [sssd[be[test2dc.mdom.com]]] [sdap_get_generic_ext_step] (0x2000): ldap_search_ext called, msgid = 6
(Tue May 13 14:12:47 2014) [sssd[be[test2dc.mdom.com]]] [sdap_process_result] (0x2000): Trace: sh[0x1b60be0], connected[1], ops[0x1b6db50], ldap[0x1b61680]
(Tue May 13 14:12:47 2014) [sssd[be[test2dc.mdom.com]]] [sdap_process_result] (0x2000): Trace: ldap_result found nothing!
(Tue May 13 14:12:47 2014) [sssd[be[test2dc.mdom.com]]] [sdap_process_result] (0x2000): Trace: sh[0x1b60be0], connected[1], ops[0x1b6db50], ldap[0x1b61680]
(Tue May 13 14:12:47 2014) [sssd[be[test2dc.mdom.com]]] [sdap_process_message] (0x4000): Message type: [LDAP_RES_SEARCH_RESULT]
(Tue May 13 14:12:47 2014) [sssd[be[test2dc.mdom.com]]] [sdap_get_generic_ext_done] (0x0400): Search result: Success(0), no errmsg set
(Tue May 13 14:12:47 2014) [sssd[be[test2dc.mdom.com]]] [ad_master_domain_netlogon_done] (0x0080): No netlogon data available. Flat name might not be usable

** Affects: realmd (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: samba (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: sssd (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: netlogon realmd samba sssd

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https://bugs.launchpad.net/bugs/1319320

Title:
  samba does not provide netlogon infos

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